fix:作业附件上传问题修复

src/components/img/UploadImg.vue

@@ -51,6 +51,9 @@ function handleChange(e) {
 function remove(i) {
 	files.value.splice(i, 1)
 	console.log(imageRef)
+}
+
+function clearFiles() {
 	imageRef.value.clearFiles();
 }
 
@@ -69,6 +72,6 @@ function abort(i) {
 }
 
 
-defineExpose({ reUpload, remove })
+defineExpose({ reUpload, remove, clearFiles })
 
 </script>